ARUP's Laboratory Test Directory

Factor X, Activity : 0030105

Mnemonic: F10

Methodology: Clotting
Performed: Mon-Fri
Reported: 1-4 days
Specimen Required: Collect: Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.

Specimen Preparation: Transfer 2 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)

Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Remarks:

Unacceptable Conditions: Serum. Non-frozen or hemolyzed specimens.

Stability (collection to initiation of testing): Ambient: 4 hours; Refrigerated: 4 hours; Frozen: 2 weeks
Reference Interval:
1-4 days: 12-68%
5-29 days: 19-79%
30-89 days: 31-87%
90-179 days: 35-107%
180-364 days: 38-118%
1-5 years: 58-116%
6 years: 55-101%
7-9 years: 74-130%
10-11 years: 70-134%
12-13 years: 69-133%
14-15 years: 63-146%
16-17 years: 74-146%
18 years and older: 81-157%
Note: Do not order for FXa level.  Refer to Heparin Anti-Xa, Low Molecular Weight Heparin (0030144) or Heparin Anti-Xa, Unfractionated (0030143).
CPT Code(s): 85260
Cross References: Coagulation Factor X Activity Assay, Plasma (Factor X, Activity), Common Pathway Proteins, Factor X (Factor X, Activity), Factor X Activity - Clot Based (Factor X, Activity), Stuart Factor (Factor X, Activity), Stuart-Prower Factor (Factor X, Activity)
 
 

 

 

 
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